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Posts Tagged ‘Texas’

[Market Monitor] ISO-NE Ancillary Service Costs Continue to Rise: DASI Explained

Ancillary services, critical functions that keep the electric grid stable, became more volatile and costly in 2025 following ISO-NE’s Day-Ahead Ancillary Services Initiative (DASI), which shifted procurement closer to real time. While this improves alignment with system needs, it also increases customer exposure during extreme weather, tight supply conditions, and other system stress events. We cover […]

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[Market Monitor] ISO-NE Ancillary Service Costs Continue to Rise: DASI Explained

February 9, 2026 ISO-NE Ancillary Service Costs Continue to Rise: DASI Explained Ancillary service costs in ISO New England began increasing in 2025 following the implementation of the Day-Ahead Ancillary Services Initiative (DASI), a major redesign of how ISO-NE procures essential grid reliability services. Ancillary services are the support functions required to keep the electric […]

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